Question

If n (A) = 2, n (B) = 3, and
(An B) = 1 then
n (AUB) =
​

Answer 1

Answer:

n(A U B) = 4

Step-by-step explanation:

Given,

n (A) = 2 and n(B) = 3 and n(A intresection B) = 1

We know that,

n(A U B) = n(A) + n(B) - n(A n B)

              = 2 + 3 - 1

              = 4

                                         Solved by

                                       Aaditya Singh